(11812) Dongqiao Main-belt Asteroid
Discovered on 2 March 1981 by S. J. Bus at Siding Spring.
Dong Qiao (b. 1979) is a professor at the Beijing Institute of Technology whose work includes target selection and trajectory design for the Chang'e-2 flyby mission of (4179) Toutatis.Naming citation (MPC batch dated 2017-03-12), IAU / Minor Planet Center, via NASA/JPL
Where Dongqiao is today
Seen from above the solar system on 2026-10-14: Dongqiao is 3.07 au from the Sun and 2.13 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 11812 |
| Provisional designation | 1981 EL20 |
| Orbit class | Main-belt Asteroid |
| Diameter | 6.17 km (#8,681 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.153 |
| Absolute magnitude (H) | 14.13 |
| Orbital period | 5.33 years |
| Semi-major axis | 3.05 au |
| Perihelion – aphelion | 2.70 – 3.40 au |
| Eccentricity | 0.115 |
| Inclination | 9.20° |
| Closest distance between its orbit and Earth's (MOID) | 1.70 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 2 March 1981
- (2884) Reddish
- (2919) Dali
- (2980) Cameron
- (2981) Chagall
- (2990) Trimberger
- (3000) Leonardo
- (3121) Tamines
- (3122) Florence
- (3207) Spinrad
- (3252) Johnny
- (3304) Pearce
- (3524) Schulz